Fast and slow carbonaceous BOD speciation of sewage effluent

The Biochemical Oxygen Demand (BOD) test has been a long standing test method to quantify the amount of biodegradable organic matter present in a water sample. The test is typically conducted over a 5-day period (BOD5), with the sample being incubated at 20°C. It has been a long standing assumption...

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Main Authors:	Abdullah, Norizan, Abdul Rahman, Norazah, Zainudin, Zaki
Other Authors:	Abdul Karim, Othman
Format:	Conference or Workshop Item
Language:	English
Published:	Institution of Engineers Malaysia 2010
Subjects:	TA170 Environmental engineering TC401 River, lake, and water-supply engineering (General) TD169 Environmental protection TD201 Water supply for domestic and industrial purposes
Online Access:	http://irep.iium.edu.my/3200/ http://irep.iium.edu.my/3200/ http://irep.iium.edu.my/3200/1/12th_WRTD_Colloquium_Proceedings_NZ.pdf

id	iium-3200
recordtype	eprints
spelling	iium-32002012-05-02T23:03:10Z http://irep.iium.edu.my/3200/ Fast and slow carbonaceous BOD speciation of sewage effluent Abdullah, Norizan Abdul Rahman, Norazah Zainudin, Zaki TA170 Environmental engineering TC401 River, lake, and water-supply engineering (General) TD169 Environmental protection TD201 Water supply for domestic and industrial purposes The Biochemical Oxygen Demand (BOD) test has been a long standing test method to quantify the amount of biodegradable organic matter present in a water sample. The test is typically conducted over a 5-day period (BOD5), with the sample being incubated at 20°C. It has been a long standing assumption that over the 5-day period, most of the organic should be stabilized and typically under normal conditions this may be true. Recent developments however have shown that there may significant variation for certain types of wastewater samples where the organic fraction may consists of more slowly biodegradable organics (such as particulate organic carbon) than readily biodegradable organics (dissolved organics). Under such circumstances, the results of the BOD5 test may lead to serious underestimation of the total amount of organics present hence also the pollution strength. This study aims to speciate the two organic fractions under two distinct categories termed slow-BOD and fast-BOD. The speciation is done by filtering the samples(0.12 um) to separate the dissolved and particulates fractions. The results showed there was a distinct variation between the filtered and unfiltered samples, where the amount of organics stabilized within the five day period for the unfiltered sample was approximately 50% of the total BOD measured. After this period the oxygen depletion continued, which in turn was attributed to the slowly biodegradable organics. Institution of Engineers Malaysia Abdul Karim, Othman Al-Shafie, Ahmed 2010 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/3200/1/12th_WRTD_Colloquium_Proceedings_NZ.pdf Abdullah, Norizan and Abdul Rahman, Norazah and Zainudin, Zaki (2010) Fast and slow carbonaceous BOD speciation of sewage effluent. In: 12th Annual IEM Water Resources Colloquium, 22 May 2010, Petaling Jaya, Selangor. http://www.myiem.org.my/
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TA170 Environmental engineering TC401 River, lake, and water-supply engineering (General) TD169 Environmental protection TD201 Water supply for domestic and industrial purposes
spellingShingle	TA170 Environmental engineering TC401 River, lake, and water-supply engineering (General) TD169 Environmental protection TD201 Water supply for domestic and industrial purposes Abdullah, Norizan Abdul Rahman, Norazah Zainudin, Zaki Fast and slow carbonaceous BOD speciation of sewage effluent
description	The Biochemical Oxygen Demand (BOD) test has been a long standing test method to quantify the amount of biodegradable organic matter present in a water sample. The test is typically conducted over a 5-day period (BOD5), with the sample being incubated at 20°C. It has been a long standing assumption that over the 5-day period, most of the organic should be stabilized and typically under normal conditions this may be true. Recent developments however have shown that there may significant variation for certain types of wastewater samples where the organic fraction may consists of more slowly biodegradable organics (such as particulate organic carbon) than readily biodegradable organics (dissolved organics). Under such circumstances, the results of the BOD5 test may lead to serious underestimation of the total amount of organics present hence also the pollution strength. This study aims to speciate the two organic fractions under two distinct categories termed slow-BOD and fast-BOD. The speciation is done by filtering the samples(0.12 um) to separate the dissolved and particulates fractions. The results showed there was a distinct variation between the filtered and unfiltered samples, where the amount of organics stabilized within the five day period for the unfiltered sample was approximately 50% of the total BOD measured. After this period the oxygen depletion continued, which in turn was attributed to the slowly biodegradable organics.
author2	Abdul Karim, Othman
author_facet	Abdul Karim, Othman Abdullah, Norizan Abdul Rahman, Norazah Zainudin, Zaki
format	Conference or Workshop Item
author	Abdullah, Norizan Abdul Rahman, Norazah Zainudin, Zaki
author_sort	Abdullah, Norizan
title	Fast and slow carbonaceous BOD speciation of sewage effluent
title_short	Fast and slow carbonaceous BOD speciation of sewage effluent
title_full	Fast and slow carbonaceous BOD speciation of sewage effluent
title_fullStr	Fast and slow carbonaceous BOD speciation of sewage effluent
title_full_unstemmed	Fast and slow carbonaceous BOD speciation of sewage effluent
title_sort	fast and slow carbonaceous bod speciation of sewage effluent
publisher	Institution of Engineers Malaysia
publishDate	2010
url	http://irep.iium.edu.my/3200/ http://irep.iium.edu.my/3200/ http://irep.iium.edu.my/3200/1/12th_WRTD_Colloquium_Proceedings_NZ.pdf
first_indexed	2023-09-18T20:10:55Z
last_indexed	2023-09-18T20:10:55Z
_version_	1777407471641427968

Fast and slow carbonaceous BOD speciation of sewage effluent

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